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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2019-02-17 12:37:32 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2019-02-17 12:37:32 -0500 |
| commit | 0b476cf623dd5849679d4509f6b06b8be7f3436e (patch) | |
| tree | 74fcf65ed91345bfbb2c42865a41105d02c17c1a /src/backend/executor/execProcnode.c | |
| parent | 71c8ea4b68949185f9d18396237587b5f91369af (diff) | |
| download | postgresql-0b476cf623dd5849679d4509f6b06b8be7f3436e.tar.gz postgresql-0b476cf623dd5849679d4509f6b06b8be7f3436e.zip | |
Fix CREATE VIEW to allow zero-column views.
We should logically have allowed this case when we allowed zero-column
tables, but it was overlooked.
Although this might be thought a feature addition, it's really a bug
fix, because it was possible to create a zero-column view via
the convert-table-to-view code path, and then you'd have a situation
where dump/reload would fail. Hence, back-patch to all supported
branches.
Arrange the added test cases to provide coverage of the related
pg_dump code paths (since these views will be dumped and reloaded
during the pg_upgrade regression test). I also made them test
the case where pg_dump has to postpone the view rule into post-data,
which disturbingly had no regression coverage before.
Report and patch by Ashutosh Sharma (test case by me)
Discussion: https://postgr.es/m/CAE9k0PkmHdeSaeZt2ujnb_cKucmK3sDDceDzw7+d5UZoNJPYOg@mail.gmail.com
Diffstat (limited to 'src/backend/executor/execProcnode.c')
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